1 | // |
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2 | // Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo |
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3 | // |
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4 | // The contents of this file are covered under the licence agreement in the |
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5 | // file "LICENCE" distributed with Cforall. |
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6 | // |
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7 | // Stmt.hpp -- |
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8 | // |
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9 | // Author : Aaron B. Moss |
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10 | // Created On : Wed May 8 13:00:00 2019 |
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11 | // Last Modified By : Aaron B. Moss |
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12 | // Last Modified On : Wed May 8 13:00:00 2019 |
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13 | // Update Count : 1 |
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14 | // |
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15 | |
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16 | #pragma once |
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17 | |
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18 | #include <list> |
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19 | #include <utility> // for move |
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20 | #include <vector> |
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21 | |
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22 | #include "Label.hpp" |
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23 | #include "Node.hpp" // for node, ptr |
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24 | #include "ParseNode.hpp" |
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25 | #include "Visitor.hpp" |
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26 | #include "Common/CodeLocation.h" |
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27 | |
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28 | namespace ast { |
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29 | |
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30 | class Expr; |
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31 | |
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32 | /// Base statement node |
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33 | class Stmt : public ParseNode { |
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34 | public: |
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35 | std::vector<Label> labels; |
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36 | |
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37 | Stmt( const CodeLocation& loc, std::vector<Label>&& labels = {} ) |
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38 | : ParseNode(loc), labels(std::move(labels)) {} |
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39 | |
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40 | Stmt(const Stmt& o) : ParseNode(o), labels(o.labels) {} |
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41 | |
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42 | virtual Stmt* accept( Visitor& v ) override = 0; |
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43 | private: |
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44 | virtual Stmt* clone() const override = 0; |
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45 | }; |
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46 | |
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47 | /// Compound statement `{ ... }` |
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48 | class CompoundStmt final : public Stmt { |
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49 | public: |
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50 | std::list<ptr<Stmt>> kids; |
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51 | |
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52 | CompoundStmt(const CodeLocation& loc, std::list<ptr<Stmt>>&& ks = {} ) |
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53 | : Stmt(loc), kids(std::move(ks)) {} |
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54 | |
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55 | CompoundStmt( const CompoundStmt& o ); |
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56 | CompoundStmt( CompoundStmt&& o ) = default; |
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57 | |
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58 | void push_back( Stmt* s ) { kids.emplace_back( s ); } |
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59 | void push_front( Stmt* s ) { kids.emplace_front( s ); } |
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60 | |
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61 | CompoundStmt* accept( Visitor& v ) override { return v.visit( this ); } |
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62 | private: |
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63 | CompoundStmt* clone() const override { return new CompoundStmt{ *this }; } |
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64 | }; |
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65 | |
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66 | /// Empty statment `;` |
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67 | class NullStmt final : public Stmt { |
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68 | public: |
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69 | NullStmt( const CodeLocation& loc, std::vector<Label>&& labels = {} ) |
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70 | : Stmt(loc, std::move(labels)) {} |
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71 | |
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72 | NullStmt* accept( Visitor& v ) override { return v.visit( this ); } |
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73 | private: |
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74 | NullStmt* clone() const override { return new NullStmt{ *this }; } |
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75 | }; |
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76 | |
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77 | /// Expression wrapped by statement |
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78 | class ExprStmt final : public Stmt { |
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79 | public: |
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80 | ptr<Expr> expr; |
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81 | |
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82 | ExprStmt( const CodeLocation& loc, Expr* e ) : Stmt(loc), expr(e) {} |
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83 | |
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84 | Stmt* accept( Visitor& v ) override { return v.visit( this ); } |
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85 | private: |
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86 | ExprStmt* clone() const override { return new ExprStmt{ *this }; } |
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87 | }; |
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88 | |
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89 | |
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90 | |
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91 | //================================================================================================= |
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92 | /// This disgusting and giant piece of boiler-plate is here to solve a cyclic dependency |
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93 | /// remove only if there is a better solution |
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94 | /// The problem is that ast::ptr< ... > uses increment/decrement which won't work well with |
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95 | /// forward declarations |
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96 | inline void increment( const class Stmt * node, Node::ref_type ref ) { node->increment( ref ); } |
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97 | inline void decrement( const class Stmt * node, Node::ref_type ref ) { node->decrement( ref ); } |
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98 | inline void increment( const class CompoundStmt * node, Node::ref_type ref ) { node->increment( ref ); } |
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99 | inline void decrement( const class CompoundStmt * node, Node::ref_type ref ) { node->decrement( ref ); } |
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100 | inline void increment( const class ExprStmt * node, Node::ref_type ref ) { node->increment( ref ); } |
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101 | inline void decrement( const class ExprStmt * node, Node::ref_type ref ) { node->decrement( ref ); } |
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102 | inline void increment( const class AsmStmt * node, Node::ref_type ref ) { node->increment( ref ); } |
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103 | inline void decrement( const class AsmStmt * node, Node::ref_type ref ) { node->decrement( ref ); } |
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104 | inline void increment( const class DirectiveStmt * node, Node::ref_type ref ) { node->increment( ref ); } |
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105 | inline void decrement( const class DirectiveStmt * node, Node::ref_type ref ) { node->decrement( ref ); } |
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106 | inline void increment( const class IfStmt * node, Node::ref_type ref ) { node->increment( ref ); } |
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107 | inline void decrement( const class IfStmt * node, Node::ref_type ref ) { node->decrement( ref ); } |
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108 | inline void increment( const class WhileStmt * node, Node::ref_type ref ) { node->increment( ref ); } |
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109 | inline void decrement( const class WhileStmt * node, Node::ref_type ref ) { node->decrement( ref ); } |
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110 | inline void increment( const class ForStmt * node, Node::ref_type ref ) { node->increment( ref ); } |
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111 | inline void decrement( const class ForStmt * node, Node::ref_type ref ) { node->decrement( ref ); } |
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112 | inline void increment( const class SwitchStmt * node, Node::ref_type ref ) { node->increment( ref ); } |
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113 | inline void decrement( const class SwitchStmt * node, Node::ref_type ref ) { node->decrement( ref ); } |
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114 | inline void increment( const class CaseStmt * node, Node::ref_type ref ) { node->increment( ref ); } |
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115 | inline void decrement( const class CaseStmt * node, Node::ref_type ref ) { node->decrement( ref ); } |
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116 | inline void increment( const class BranchStmt * node, Node::ref_type ref ) { node->increment( ref ); } |
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117 | inline void decrement( const class BranchStmt * node, Node::ref_type ref ) { node->decrement( ref ); } |
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118 | inline void increment( const class ReturnStmt * node, Node::ref_type ref ) { node->increment( ref ); } |
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119 | inline void decrement( const class ReturnStmt * node, Node::ref_type ref ) { node->decrement( ref ); } |
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120 | inline void increment( const class ThrowStmt * node, Node::ref_type ref ) { node->increment( ref ); } |
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121 | inline void decrement( const class ThrowStmt * node, Node::ref_type ref ) { node->decrement( ref ); } |
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122 | inline void increment( const class TryStmt * node, Node::ref_type ref ) { node->increment( ref ); } |
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123 | inline void decrement( const class TryStmt * node, Node::ref_type ref ) { node->decrement( ref ); } |
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124 | inline void increment( const class CatchStmt * node, Node::ref_type ref ) { node->increment( ref ); } |
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125 | inline void decrement( const class CatchStmt * node, Node::ref_type ref ) { node->decrement( ref ); } |
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126 | inline void increment( const class FinallyStmt * node, Node::ref_type ref ) { node->increment( ref ); } |
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127 | inline void decrement( const class FinallyStmt * node, Node::ref_type ref ) { node->decrement( ref ); } |
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128 | inline void increment( const class WaitForStmt * node, Node::ref_type ref ) { node->increment( ref ); } |
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129 | inline void decrement( const class WaitForStmt * node, Node::ref_type ref ) { node->decrement( ref ); } |
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130 | inline void increment( const class WithStmt * node, Node::ref_type ref ) { node->increment( ref ); } |
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131 | inline void decrement( const class WithStmt * node, Node::ref_type ref ) { node->decrement( ref ); } |
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132 | inline void increment( const class DeclStmt * node, Node::ref_type ref ) { node->increment( ref ); } |
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133 | inline void decrement( const class DeclStmt * node, Node::ref_type ref ) { node->decrement( ref ); } |
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134 | inline void increment( const class NullStmt * node, Node::ref_type ref ) { node->increment( ref ); } |
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135 | inline void decrement( const class NullStmt * node, Node::ref_type ref ) { node->decrement( ref ); } |
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136 | inline void increment( const class ImplicitCtorDtorStmt * node, Node::ref_type ref ) { node->increment( ref ); } |
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137 | inline void decrement( const class ImplicitCtorDtorStmt * node, Node::ref_type ref ) { node->decrement( ref ); } |
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138 | |
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139 | } |
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140 | |
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141 | // Local Variables: // |
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142 | // tab-width: 4 // |
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143 | // mode: c++ // |
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144 | // compile-command: "make install" // |
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145 | // End: // |
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